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SECTION 4
Data Links
The operation of data links, procedures required to establish data links, and methods of monitoring data link operations
are described in this section.
4-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
42
4-2
Data Link Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
4-3
Data Link Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
4-4
Data Link Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
4-4-1
Rotary Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
4-4-2
Specifying Data Link Mode and Number of Data Link Words . . . .
45
4-4-3
Data Link Start/Stop Bit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4-5
Creating Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46
4-5-1
Automatic and Manual Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46
4-5-2
Automatic Data Link Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47
4-5-3
Manually Generating Data Link Tables . . . . . . . . . . . . . . . . . . . . . .
48
4-5-4
Table Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48
4-6
Data Link Area Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49
4-6-1
Automatic Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49
4-6-2
Manual Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49
4-6-3
Refreshing Data Links with Automatic Settings . . . . . . . . . . . . . . .
51
4-6-4
Refreshing Data Links with Manual Settings . . . . . . . . . . . . . . . . .
52
4-7
Data Link Table Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
4-8
Controlling Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
4-8-1
DM Parameter Area Software Switches . . . . . . . . . . . . . . . . . . . . .
56
4-8-2
DATA LINK START/HALT Commands . . . . . . . . . . . . . . . . . . . . .
56
4-8-3
CX-Net in CX-Programmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56
4-9
Data Link Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56
4-9-1
Data Link Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
4-9-2
Word Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4-10 Data Link Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
60
4-11 Data Link Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
62
4-11-1
Data Link Communications Cycle Time . . . . . . . . . . . . . . . . . . . . .
62
4-11-2
Data Exchange Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64
4-11-3
Calculation Examples for Data Link I/O Response Times . . . . . . .
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4-12 CX-Programmer Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
67
4-12-1
Overall Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
67
4-12-2
Data Link Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
68
Summary of Contents for CS1W-SLK11-21 - 06-2004
Page 1: ...Cat No W367 E1 02 SYSMAC CS1W SLK11 21 SYSMAC LINK Units...
Page 2: ...CS1W SLK11 21 SYSMAC LINK Units Operation Manual Revised June 2004...
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Page 139: ...122 FINS Commands for SYSMAC LINK Units Section 6 4...
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Page 170: ...153 Appendix B Dimensions CS1W SLK11 Optical SYSMAC LINK Unit Unit mm...
Page 171: ...154 Dimensions Appendix B CS1W SLK21 Coaxial SYSMAC LINK Unit Unit mm...
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Page 202: ...SYSMAC CS1W SLK11 21 SYSMAC LINK Units Cat No W367 E1 02 OPERATION MANUAL...